A.自然風(fēng)險(xiǎn) B.政治風(fēng)險(xiǎn) C.信息傳遞風(fēng)險(xiǎn) D.經(jīng)濟(jì)風(fēng)險(xiǎn) E.社會(huì)風(fēng)險(xiǎn)